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Journal Articles

Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression

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Yinke Qi, Xiaofeng Ma, Peixue Jiang, Yinhai Zhu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101011.
Paper No: GTP-24-1738
https://doi.org/10.1115/1.4067989
Published Online: March 21, 2025
View Articletitled, Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression
Open the PDF for Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression in another window
Topics: Brayton cycle, Cavities, Compression, Compressors, Cycles, Feedback, Integrated systems, Leakage, Pressure, Turbines
Journal Articles

On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications

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Dimitrios Lamprakis, David John Rajendran, Mani Santhanakrishnan, Seyfettin Coskun, Ioannis Roumeliotis, Vassilios Pachidis, Martin Yates
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051015.
Paper No: GTP-24-1544
https://doi.org/10.1115/1.4066827
Published Online: November 22, 2024
View Articletitled, On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications
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Topics: Design, Flow (Dynamics), Hydrogen, Impellers, Leakage flows, Pumps, Leakage
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

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Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Articletitled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
Open the PDF for Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal in another window
Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals

Open Access
Simon Vella, Peter Darby, Mauro Carnevale, James A. Scobie, Gary D. Lock, Clément Jarrossay, Francesco Salvatori, Damien Bonneau, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081020.
Paper No: GTP-23-1656
https://doi.org/10.1115/1.4064803
Published Online: March 22, 2024
View Articletitled, A Combined Experimental and Turbulence-Resolved Modeling Approach for Aeroengine Turbine Rim Seals
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Topics: Computation, Flow (Dynamics), Leakage flows, Rotors, Stators, Turbines, Turbulence, Wheels, Modeling, Pressure
Journal Articles

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages—Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

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P. H. Duan, L. He
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091002.
Paper No: GTP-23-1579
https://doi.org/10.1115/1.4064326
Published Online: February 8, 2024
View Articletitled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages—Part II: Flow Physics and Augmented Aerothermal Integral Objective Function
Open the PDF for Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages—Part II: Flow Physics and Augmented Aerothermal Integral Objective Function in another window
Topics: Blades, Cavities, Flow (Dynamics), Heat transfer, Optimization, Pressure, Turbines, Design, Platform supply vessels, Heat
Journal Articles

Integrated Design of Axial Slot Casing Treatment and Blades in a Low-Speed Single Stage Axial Compressor

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Zhonggang Fan, Juan Du, Dun Ba, Min Zhang, Chen Yang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051023.
Paper No: GTP-23-1197
https://doi.org/10.1115/1.4064216
Published Online: January 29, 2024
View Articletitled, Integrated Design of Axial Slot Casing Treatment and Blades in a Low-Speed Single Stage Axial Compressor
Open the PDF for Integrated Design of Axial Slot Casing Treatment and Blades in a Low-Speed Single Stage Axial Compressor in another window
Topics: Compressors, Design, Flow (Dynamics), Rotors, Stators, Leakage flows, Momentum, Optimization, Blades
Journal Articles

Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands

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Hao Liu, Guoqing Li, Ang Li, Shen Zhang, Hui Li, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2023, 145(8): 081005.
Paper No: GTP-22-1676
https://doi.org/10.1115/1.4062480
Published Online: July 19, 2023
View Articletitled, Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands
Open the PDF for Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands in another window
Topics: Heating, Honeycomb structures, Leakage, Pressure, Temperature, Leakage flows
Journal Articles

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

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Erwan Fourt, Mihai Arghir, Pascal Jolly, Mohamed Andasmas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091005.
Paper No: GTP-23-1163
https://doi.org/10.1115/1.4062692
Published Online: July 19, 2023
View Articletitled, Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals
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Topics: Leakage, Leakage flows, Pressure, Rotors, Temperature, Torque, Clearances (Engineering), Friction, Experimental analysis, Flow (Dynamics)
Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

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Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.
Paper No: GTP-22-1241
https://doi.org/10.1115/1.4056310
Published Online: January 13, 2023
View Articletitled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
Open the PDF for Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions in another window
Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies
Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

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Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071006.
Paper No: GTP-21-1636
https://doi.org/10.1115/1.4054374
Published Online: May 20, 2022
View Articletitled, Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery
Open the PDF for Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery in another window
Topics: Brakes, Cavities, Clearances (Engineering), Dampers, Damping, Fluids, Pressure, Rotors, Stiffness, Supercritical carbon dioxide
Journal Articles

Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

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Ming Huang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071011.
Paper No: GTP-22-1029
https://doi.org/10.1115/1.4054377
Published Online: May 20, 2022
View Articletitled, Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip
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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Leakage flows, Temperature, Turbine blades, Uncertainty, Uncertainty quantification, Heat transfer, Polynomials
Journal Articles

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method

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Tianhao Wang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011028.
Paper No: GTP-21-1430
https://doi.org/10.1115/1.4052267
Published Online: December 3, 2021
View Articletitled, Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method
Open the PDF for Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method in another window
Topics: Cavities, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Leakage flows, Pressure, Rotors, Sealing (Process), Stiffness
Journal Articles

Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Open Access
Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011027.
Paper No: GTP-21-1334
https://doi.org/10.1115/1.4051958
Published Online: November 2, 2021
View Articletitled, Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
Open the PDF for Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells in another window
Topics: Cavities, Flow (Dynamics), Leakage flows, Stators, Wells, Clearances (Engineering), Compressors, Temperature, Rotors, Cavity flows
Journal Articles

Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade

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Li Li, Dengyu Jiang, Chao Zhou, Hualing Luo, Weitao Hou, Qiyue Chang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101007.
Paper No: GTP-20-1536
https://doi.org/10.1115/1.4050632
Published Online: August 9, 2021
View Articletitled, Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade
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Topics: Cascades (Fluid dynamics), Cavities, Computational fluid dynamics, Flow (Dynamics), Leakage, Pressure, Vortices, Blades, Leakage flows, Suction
Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

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Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.
Paper No: GTP-21-1024
https://doi.org/10.1115/1.4051104
Published Online: June 17, 2021
View Articletitled, Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery
Open the PDF for Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery in another window
Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide
Journal Articles

Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the Three-Dimensional Staggered Tube Bundle Model

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Dengqian Ma, Yuanqiao Zhang, Zhigang Li, Jun Li, Xin Yan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051023.
Paper No: GTP-20-1761
https://doi.org/10.1115/1.4050157
Published Online: March 15, 2021
View Articletitled, Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the Three-Dimensional Staggered Tube Bundle Model
Open the PDF for Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the Three-Dimensional Staggered Tube Bundle Model in another window
Topics: Clearances (Engineering), Leakage flows, Sealing (Process), Pressure
Journal Articles

A Three-Dimensional Tube Bundle Model Analysis for Leakage Flow Characteristics of Variable Bristle Diameter Brush Seals With Bristle Pack Stratification

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Dengqian Ma, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051014.
Paper No: GTP-20-1560
https://doi.org/10.1115/1.4050065
Published Online: March 11, 2021
View Articletitled, A Three-Dimensional Tube Bundle Model Analysis for Leakage Flow Characteristics of Variable Bristle Diameter Brush Seals With Bristle Pack Stratification
Open the PDF for A Three-Dimensional Tube Bundle Model Analysis for Leakage Flow Characteristics of Variable Bristle Diameter Brush Seals With Bristle Pack Stratification in another window
Topics: Leakage flows, Sealing (Process), Clearances (Engineering), Pressure, Flow (Dynamics)
Journal Articles

Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals

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Yuanqiao Zhang, Jun Li, Dengqian Ma, Yuan He, Jingjin Ji, Bo Sun, Zhigang Li, Xin Yan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041023.
Paper No: GTP-20-1077
https://doi.org/10.1115/1.4048842
Published Online: March 10, 2021
View Articletitled, Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals
Open the PDF for Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals in another window
Topics: Cavities, Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Leakage, Leakage flows, Porous materials, Pressure, Rotors, Pressure drop
Journal Articles

Tip Leakage Flow Instability in a Centrifugal Compressor

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Teng Cao, Tadashi Kanzaka, Liping Xu, Tobias Brandvik
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041012.
Paper No: GTP-20-1668
https://doi.org/10.1115/1.4049821
Published Online: February 26, 2021
View Articletitled, Tip Leakage Flow Instability in a Centrifugal Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Impellers, Leakage flows, Pressure, Computational fluid dynamics, Vortices
Journal Articles

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

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P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021009.
Paper No: GTP-20-1544
https://doi.org/10.1115/1.4049409
Published Online: January 18, 2021
View Articletitled, Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities
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Topics: Cavities, Flow (Dynamics), Leakage, Leakage flows, Rotors, Stators, Momentum, Sealing (Process), Disks